Power Tool Replacement Parts Angle Grinder Flange for Hitachi 150 Diameter(Silver Tone): 45 x 12.6mm/ 1.77" x 0.5"(Outer*Inner); Diameter(Black): 41.6 x 14mm/ 1.64" x 0.55"(Outer*Inner) 4 Small Holes Dia: 5mm/ 0.2", 6mm/ 0.24"; 4 Holes Diagonal Distance: 35 x 30mm/ 1.4" x 1.2" Country of Manufacture: CHINA; Brand: DMiotech Material: Metal; Net Weight: 126g Package Content: 1 set x Angle Grinder Flange(Non-OEM); Main Color: Black, Silver Tone